A note to visitors: DISCL research seminar is an open forum and welcomes interested faculty, students, and researchers to attend (due to pandemic it is a completely online event for now). Please find the seminar schedule, speaker, and talk title from this page. Additional documents including the presentation slides, reports, etc., are available upon request (DISCL members can login with your account to access these materials). If you are interested in participating in DISCL research seminars or would like to request additional documents, please contact Dr. Yong Chen (yong.chen@ttu.edu). We also welcome any suggestions and comments and appreciate your interests in our group research activities.

As of Spring 2021, this seminar series is scheduled on every Saturday, 10:00 a.m. - 11:15 a.m., CT, except the first Sat. of each month, which is arranged as a status report and group meeting event. As of now, these weekly activities are completely online via Teams meeting, and please find the link here to join the meeting: seminar (or via this link: https://tinyurl.com/disclseminars).

All recorded presentation videos are password protected, and you can find the username and password to view/download these videos from https://discl.cs.ttu.edu/doku.php?id=proceedings.

• 2/20, Mr. Mr. Brody Williams, xBGAS-FS: A Microarchitecture-Accelerated Parallel Filesystem Abstract PDF Video

• 2/13, Mr. Ghazanfar Ali, Characterization of the GPU Counters for Predicting Power Consumption Abstract Video

• 2/6, Group Meeting

• 12/16, Mr. Misha Ahmadian, Collecting Job Info Parameters from Slurm Job Scheduler for HPC Provenance Abstract Video

• 12/09:
  • Speaker1: Ms. Ruonan Wu, Database Comparison for Managing High Cardinality Time Series Data Abstract PPT Video
  • Speaker2: Ms. Harichandana Byna, Managing Data Center Provenance with Graph Database Abstract PPT Video

• 11/25, Mr. Wei Zhang, Concurrent Metadata Indexing for Scientific Data Harvesting Abstract PDF Video

• 11/18:
  • Speaker1: Mr. Nathan Stoddard, Allocator for Distributed Memory Systems Abstract PPT Video
  • Speaker2: Mr. Yuanxu Xu, LLVM Address Space Based Code Generation for xBGAS Abstract PPT Video

• 11/11, Mr. Xi Wang, Memory System Design and Optimizations for Data Intensive Computing Abstract PDF Video

• 10/21, Mr. Yusheng Hua, LoomIO: Object-Level Coordination in Distributed File Systems Abstract PPT Video

• 09/30, Mr. Chenxu Niu, Semantic Scientific Search over Scientific Data and Artifacts Abstract PPT

• 09/23, Mr. Jie Li, The IEEE Cluster2020 Experience, MonSTer Review and Future Work Abstract PDF

• 09/16, Mr. Brody Williams, Revisiting CircusTent - A Benchmark Suite for Atomic Memory Operations and OpenSNAPI: Toward a Unified API for SmartNICs Abstract PDF

• 08/19, Mr. Wei Zhang, Enabling High Throughput Concurrent In-Memory Metadata Indexing for Scientific Data Harvesting AbstractPPT

• 07/22, Mr. Jie Li, Monitoring Operating System Status (on a Raspberry Pi cluster) AbstractPPT

• 07/08, Mr. Misha Ahmadian, HPC Provenance Software Stack and Implementation AbstractPPT

• 06/24, Mr. Chenxu Niu, Linked Science Data: Interconnecting Scientific Datasets AbstractPPT

• 06/17, Dr. Yong Chen, Data-Intensive Scalable Computing Laboratory& Cloud and Autonomic Computing CenterUpdates, Reflections, and Improvements PPT

• 05/13, Mr. Xi Wang, xBGAS Security Extension for Enclaves in Large-Scale Systems AbstractPPT

• 05/06, Mr. Wei Zhang, A Data Retention Recommender System for HPC Facilities Abstract PDF

• 04/29, Mr. Brody Williams, CircusTent: A Benchmark Suite for Atomic Memory Operations AbstractPPT

• 04/24, Mr. Chenxu Niu, SeMIQS: Semantic Metadata Indexing and Querying Service for Self-describing File Formats AbstractPPT

• 04/15, Mr. Jie Li, Experiences of Storing and Querying Monitoring Data of Large-scale High Performance Computing Platforms AbstractPPT

• 03/25, Mr. Brody Williams, Investigating Scientific Workload Acceleration using Bluefield SmartNICs AbstractPDF

• 03/18, Ms. Elham Hojati, Fault Tolerance Approaches for HPC and Challenges AbstractPDF

• 03/11:
  • Speaker1: Mr. Zach Hansen, Data-driven Modeling and Predictions for Over-heating Events in HPC Centers Abstract PPT
  • Speaker2: Mr. Xueyuan Ji, A Preliminary Study of Performance Comparison for Graph Processing Frameworks Abstract PPT

• 03/04, Mr. Wei Zhang, A Recommender System for Promoting Scientific Research Collaboration and Data Sharing AbstractPDF

• 02/26, Mr. Xi Wang, xBGAS Enclave: A Security Extension for Large-Scale HPC Abstract PPT

• 02/19, Mr. Misha Ahmadian, Provenance: Design and Implementation Challenges Abstract PPT

• 02/05, Mr. Chenxu Niu, Data Discovery Service for Self-describing Datasets Abstract PPT

• 01/29, Mr. Jie Li, Profiling Power Consumption of Jobs with SLURM Abstract PPT

• 01/22, Mr. Ghazanfar Ali, Automation of Thermal Control in Data Center Abstract

• 12/18, Mr. Chenxu Niu, Similarity Determination for Self-describing Datasets Abstract PPT

• 12/04, Mr. Xi Wang, RAE: Remote Atomic Extension for Scalable High Performance Computing Abstract PDF

• 11/26, Mr. Wei Zhang, On Scientific Data Discoverability Abstract PDF

• 11/13, Mr. Brody Williams, Optimized Collective Communication for the xBGAS Abstract PDF

• 11/06:
  • Speaker1: Mr. Zach Hansen, Data-driven Modeling of HPCC Over-heating Events Abstract PPT
  • Speaker2: Mr. Dheerajkumar Cidda, Passive Monitoring and Self-Healing of Thermals in Data Centers Using Nagios Integration with Redfish Abstract PPT

• 10/23, Mr. Misha Ahmadian, File System Provenance for HPC Systems Abstract PPT

• 10/16, Mr. Chenxu Niu, Applying Graph Analytics to Manage Provenance Abstract PPT

• 10/09, Mr. Sisheng Liang, Deep Reinforcement Learning based Job Scheduling with Small Action Space for Clusters Abstract PPT

• 10/02, Mr. Wei Zhang, What Does a Bad Paper Look Like? Some Thoughts After A Paper Review Abstract PDF

• 09/25, Mr. Xi Wang, xBGAS Remote Atomic Design for High Performance Computing Abstract PDF

• 09/18, Mr. Jie Li, Monitoring Power Usage of Jobs Running on Quanah Cluster Abstract PDF

• 09/11, Mr. Brody Williams, Exploring Mellanox Bluefield SmartNICs as Accelerators for Heterogeneous Architectures Abstract PDF

• 09/04, Ms. Elham Hojat, Progress of  Redfish Green500 Benchmarker based on Redfish Telemetry Model using InfluxDB  and Containerization Technique Abstract

• 08/22, Mr. Chenxu Niu, Data Change Detection for Scientific Datasets Abstract PPT

• 07/11, Mr. Xi Wang, Extended Architecture and Compiler Design in RISC-V xBGAS Extension Abstract PDF

• 06/27, Mr. Wei Zhang, MIQS: Metadata Indexing and Querying Service for Self-Describing File Formats Abstract PDF

• 06/20, Mr. Misha Ahmadian, Collecting Job-Level I/O Statistics from Lustre File Systems for Provenance Systems Abstract PPT

• 06/12, Mr. Sisheng Liang, Job Scheduling on HPC Systems with Deep Reinforcement Learning Abstract PPT

• 06/05, Mr. Ghazanfar Ali, Energy and Power Usage by Jobs in HPC Systems Abstract PPT

• 05/15:
  • Speaker1: Ms. Elham Hojati, Title: Redfish Green500 Benchmarker (RGB) based on Redfish Telemetry Model. Abstract PPT
  • Speaker2: Mr. Ghazanfar Ali, Title: Data Center Monitoring Using Redfish Telemetry Model Abstract PPT

• 05/08, Mr. Wei Zhang, Exploring Metadata Search Primitives for Scientific Data Management. Abstract PDF

• 05/01, Mr. Xi Wang, xBGAS Project Updates. Abstract

• 04/24, Mr. Michael McNamara, Introduction to Lancium– Co-locating Computing Resources with Low-Cost Energy Sources. Abstract PDF

• 04/17, Mr. Jianluo He, Uncovering Vulnerabilities in Lustre Parallel File Systems. Abstract PPT

• 04/10, Mr. Jie Li, PIMS: A Processing-In-Memory Accelerator for Stencil Computation. Abstract PDF

• 04/03:
  • Speaker1: Mr. Felix Perez, Title: Improving Erasure-coded Distributed Storage System Scalability Using Consistent Hashing. Abstract PPT
  • Speaker2: Mr. Zachary Hansen, Title: Data Driven Modeling of HPCC Physical Readings Abstract PPT

• 03/27:
  • Speaker1: Mr. Abhishek Kumar, Title: Implementing a Swift and Robust Tool for Navigating Redfish Services. Abstract PPT
  • Speaker2: Mr. Dheeraj Kumar Cidda, Title: Push Based Monitoring and Self-healing of Data Center Using Nagios Core and Redfish API. Abstract PPT

• 03/20, Mr. Misha Ahmadian, Lightweight Job-Level I/O Monitoring Service for Lustre File System. Abstract PPT

• 03/13, Mr. Brody Williams, Collective Communication for the xBGAS API. Abstract
• 03/06, Mr. Sisheng Liang, A Multi-Agent Deep Reinforcement Learning Scheduling Approach for High Performance Computing Systems. Abstract PPT

• 02/27, Mr. Ghazanfar Ali, Defining Classes of Metrics and Policies for Efficient Data Center Monitoring. Abstract PPT

• 02/20, Mr. Xi Wang, HAP: Hotspot-Aware Prefetcher for 3D-Stacked Memory. Abstract PDF

• 02/13, Mr. Wei Zhang, Exploring Metadata Search Primitives for Scientific Data Management. Abstract PDF

• 02/06, Ms. Elham Hojati, SW-EDC: Swordfish Emulated Data Center, A Scalable Virtual Testbed Using Docker. Abstract PPT

• 01/30, Dr. Yong Chen, Revisiting How to Write and Publish Research Papers in Premier Forums. Abstract ZIP

• 12/20, Mr. Ghazanfar Ali, Reliable Transport Protocol and Communication Patterns for Data Center Monitoring (continue from 12/13 seminar talk). Abstract

• 12/13:
  • Speaker: Speaker: Mr. Robin Ronson, Title: Status Report: Redfish Conformance Checker. Abstract
  • Speaker: Mr. Ghazanfar Ali, Title: Reliable Transport Protocol and Communication Patterns for Data Center Monitoring. Abstract

• 12/04:
  • Speaker: Mr. Abhishek Kumar, Title: Applying OpenAPI to Data Center Analytics and Control. Abstract PPT
  • Speaker: Ms. Elham Hojati, Title: Towards RGB-V2: Redfish Green500 Benchmarker Based on Redfish Telemetry Model. Abstract

• 11/29, Mr. Xi Wang, xBGAS: a 128-bit Extension on RISC-V for Data Centers. Abstract

• 11/20, Mr. Wei Zhang, Metadata Indexing and Search for Self-contained Scientific Data Management Models. Abstract PDF

• 11/08, Mr. Brody Williams, Benchmarking the xBGAS Simulation & Memory Coalescing for HMC with Cache Prefetching. Abstract PPT

• 11/01, Mr. Wei Xie, Storage Fragmentation Analysis and Optimizations. Abstract （slides available upon request）

• 10/25, Mr. Daniel Dunning, Adaptive Mesh Refinement in the Fastlane. Abstract

• 10/18, Ms. Elham Hojati, Swordfish Emulated Data Center using Docker Containers. Abstract

• 10/11, Mr. Vinh Nguyen and Dr. Tommy Dang, HPCViz: Visualizing and Monitoring Health Status of High Performance Computing Systems. Abstract PPT

• 10/04, Mr. Ghazanfar Ali and Mr. Dheerajkumar Cidda, Emerging Paradigms in Managing High-End Computing Systems. Abstract PDF

• 09/27, Mr. Misha Ahmadian, Job Submission Verifier for Univa Grid Engine. Abstract PPT

• 09/20, Mr. Xi Wang, HAC: Access Coalescer for Hybrid Memory Cube. Abstract PDF

• 09/13, Mr. Wei Zhang, Lightweight Metadata Search Service for Experimental and Observational Datasets. Abstract PDF

• 09/06, Dr. Yong Chen, High Performance Computing, Computational Science, and Data Science. Abstract PPT

• 07/17, Mr. Misha Ahmadian, OpenStack Architecture and API Design. Abstract PPT

• 06/19, Mr. Ghazanfar Ali, Leveraging Cloud into HPC. Abstract PPT

• 05/16, Dr. Dong Dai, fpfsck: Fast Parallel File System Checker. Abstract PPT

• 05/09,
  • Mr. Felix Perez, Improving Erasure-coded Distributed Storage System Scalability Using Consistent Hashing. Abstract PPT
  • Mr. Teegan Duong, PIM Stencil Algorithm Optimizations. Abstract PPT
  • Mr. Brody Williams, Load Balancing for Concurrent Dynamic Memory Coalescing Module on GC64. Abstract PPT

• 05/02, No seminar.

• 04/25, Mr. Wei Zhang, From Index to Metadata. Abstract PPT

• 04/18, Mr. Wei Xie, DuraStore – Achieving Highly Durable Data Centers. Abstract PPT

• 04/11, Mr. Xi Wang, xBGAS Project Updates. Abstract PPT

• 04/04, No seminar.

• 03/28, Mr. Misha Ahmadian, API Design for Large-scale Computational Workloads. Abstract PPT

• 03/21, Mr. Weihao Liang, Contention-Aware Resource Scheduling for Burst Buffer Systems. Abstract PPT

• 03/14, Ms. Vidya Eswarappa, Vulnerability Analysis of Lustre File System. Abstract PPT

• 03/07, Mr. Ghazanfar Ali, Redfish Integration with Nagios. Abstract PPT

• 02/28, Ms. Elham Hojati, RGB (Redfish Green500 Benchmarker): A Green500 Benchmark Tool Using Redfish Technology. Abstract PPT

• 02/21, Mr. Wei Zhang, Distributed Adaptive Radix Tree and Metadata Indexing. Abstract PPT

• 02/14, Mr. Wei Xie, Power-Efficient Cold Storage: IO Scheduling and Data Placement. Abstract PPT

• 02/07, Mr. Xi Wang, Memory Coalescing for Efficient Data-Intensive Computing. Abstract PPT

• 01/31, Dr. Dong Dai, Partitioning Large Graphs in Deep Storage Architecture - Research and Proposal Development. Abstract PPT

• 12/20, Mr. Wei Zhang, Distributed Keyword Search for Metadata. Abstract PPT

• 12/13, Mr. Wei Xie, Power-Efficient Erasure Coding for Cold Storage. Abstract PPT

• 12/06, Ms. Yan Mu and Ms. Vidya Eswarappa, Fault Tolerance and Error Analysis of Lustre File System. Abstract PPT

• 11/29, Mr. Xi Wang, xBGAS: A 128-bit Addressing Extension of RISC-V Architecture. Abstract PPT

• 11/22, Dr. Dong Dai, Revisit Backfilling Scheduling in High Performance Computing Systems. Abstract PPT

• 11/15, No seminar.

• 11/08, Mr. Weihao Liang, 20-PFLOPS Simulation of Quantum Spin Model on Sunway TaihuLight. Abstract PPT

• 11/01, Dr. Jiang Zhou, Reliable Metadata Service with Erasure Coding for Big Data Applications. Abstract PPT

• 10/25, Mr. Ghazanfar Ali, Next-generation Data Center Management Protocols/Standards and Tools. Abstract PPT

• 10/18, No seminar.

• 10/11, Mr. Wei Xie, Dynamic Load Balancing with Power-of-Choice Consistent Hashing. Abstract PPT

• 10/04, Ms. Saranya Shanmugam, Secure Server Administration Made Easy: A Mobile Computing-Leveraged Password Management System. Abstract PPT

• 09/27, Mr. Frank Conlon, RISC-V Architecture and Extension. Abstract PPT

• 09/20, Mr. Wei Zhang, Towards Flexible and Efficient Metadata Search. AbstractPDF

• 09/13, Mr. Xi Wang, Exploring the Interoperability between the User-level Threading Library with OpenMP. Abstract PPT

• 09/06, Dr. Yong Chen, Data-Intensive Scalable Computing Laboratory Status, Reflections, and Improvements. PPT

• 08/16, Ms. Elham Hojati, SNIA Swordfish: Scalable Storage Management Interface for Modern Data Centers. Abstract PPT

• 08/09, Mr. Ghazanfar Ali, Overview of data center transport protocols and reproducing results of DC-TCP. Abstract PPT

• 07/26, Dr. Dong Dai, Graph Partitioning in Heterogeneous and Distributed Environment. Abstract PPT

• 07/19, Mr. Wei Xie, Load-bounded Multi-Probe Consistent Hashing. Abstract PPT

• 06/28, Dr. Jiang Zhou, A Highly Efficient and Reliable Data Distribution with Tiered Storage Management. Abstract PPT

• 06/14, Mr. Md Raihan Majumder, A Comparative Study of Different Face Recognition Algorithms. Abstract PPT

• 06/07, Dr. John Leidel, Research DevOps: Software Development Practices for Advanced R&D. Abstract PPT

• 05/19, Mr. Wei Zhang, Data Management for Large-Scale Graph-Oriented Applications. Abstract PPT

• 05/09, Ms. Neda Tavakoli, Parallel Training: Deep Learning on Modern HPC Systems. Abstract

• 05/02, Mr. Xi Wang, On Dynamic Memory Coalescing for Data-Intensive Applications and Algorithms. Abstract PPT

• 04/25, No seminar.

• 04/18, Mr. Wei Xie, Copyset Consistent Hashing for Tolerating Correlated Failures in Data Centers. Abstract PPT

• 04/11, Mr. Ghazanfar Ali, A Survey and Comparative Study of HPC on the Cloud. Abstract PPT

• 04/04, Ms. Elham Hojati, Benchmarking Automated Hardware Management Tools for Modern Scalable Data Centers. Abstract PPT

• 03/28, Dr. Dong Dai, Exploiting Local Resources to Accelerate Scientific Workflows. Abstract PPT

• 03/21, Dr. Jiang Zhou, Cost-effective Replication Scheme for High Data Durability in Storage Systems. Abstract PPT

• 03/14, Mr. Yuan Cui, A Fast and Evenly Distributed Consistent Hashing-based Algorithm for Data Replication. Abstract PPT

• 03/07, Ms. Priyanka Kumari, Validation of Redfish – The Scalable Platform Management Standard. Abstract PPT

• 02/28, Mr. Ali Nosrati, A Simulated Data Center with RedfishTM-Enabled Servers as an Infrastructure. Abstract PPT

• 02/21, Mr. John Leidel, GoblinCore-64: A Scalable, Open Architecture for Data Intensive High Performance Computing. This was also Mr. John Leidel’s Ph.D. dissertation defense. Abstract PPT

• 02/14, Mr. Xi Wang, Page-based Dynamic Memory Coalescing on GC-64 Architecture. Abstract PPT

• 02/07, Ms. Neda Tavakoli, Adaptive Resource Provisioning in High Performance Storage Systems Using Software-defined Approach. Abstract PPT

• 01/31, Mr. Wei Zhang, A Tutorial on CloudLab. Abstract PPT

• 01/24, Mr. Wei Xie, Toward Energy-efficient and Fault-tolerant Consistent Hashing based Data Store. Abstract PPT

• 12/19, Mr. Xi Wang, Frame-based Dynamic Memory Coalescing on GC-64. Abstract PPT

• 12/12, Ms. Neda Tavakoli, Simulating Software-Defined Approach for QoS Provisioning in HPC Storage Systems. Abstract PPT

• 12/05, Mr. Wei Xie, Malloc-check: A Malloc Library for Variable-based Checkpointing. Abstract PPT

• 11/28, Mr. Wei Zhang, Geospatial Data Mining on Spark and HBase. Abstract PPT

• 11/21, Ms. Elham Hojati, Benchmarking Automated Hardware Management Tools for Modern Scalable Data Centers. Abstract PPT

• 11/14, No seminar.

• 11/07, Ms. Priyanka Kumari, Validation of Data Center Management Protocols. Abstract PPT

• 11/07, Md Raihan Majumder, Implementation and Testing Hardware Security in FPGA. Abstract PPT

• 10/31, Mr. John Leidel, OpenSoC CoreGen: Toward an Intermediate Representation for SoC Design and Verification. Abstract PPT

• 10/24, Dr. Jiang Zhou, Understanding and Improving Cloud Computing Access Through I/O Characteristics Discovery. Abstract PPT

• 10/17, Mr. Wei Zhang, Similarity-Based Streaming Graph Partitioning for Distributed Graph Storage Systems. Abstract PPT

• 10/10, Dr. Dong Dai, Adaptive, Lightweight Provenance Service for High Performance Systems. Abstract PPT

• 10/03, Ms. Neda Tavakoli, A Software-Defined Approach for QoS Control for High-Performance Storage System. Abstract PPT

• 09/26, Mr. Xi Wang, OpenMP Memkind: An Extension for Heterogeneous Physical Memories. Abstract PPT

• 09/19, Mr. Wei Xie, SSD Cache Allocation for Virtual Machines in Data Centers. Abstract PPT

• 09/12, Dr. Yong Chen, DISCL Management, Expectation, Etc. PPT

• 08/11, Ms. Neda Tavakoli, QoSPro: A Software-Defined Approach for QoS Control in High-Performance Computing Storage Systems. Abstract PPT

• 08/04, No seminar.

• 07/28, Md Raihan Majumder, Data Deduplication in a large scale server data. Abstract PPT

• 07/21, Mr. Leidel John, Toward a Memory-Centric Architecture for Extreme-Scale, Data Intensive Computing. Abstract PPT

• 07/14, No seminar.

• 07/07, Mr. Wei Zhang, Similarity-Based Graph Data Placement Strategy for Graph-based Applications on HPC. Abstract PPT

• 06/30, Dr. Jiang Zhou, Efficient and Adaptive Consistent Hashing-based Data Placement for Heterogeneous Storage Systems. Abstract PPT

• 06/23, Dr. Dong Dai, Incremental Online Graph Partitioning for Large-Scale Distributed Graph Databases. Abstract PPT

• 06/16, Ms. Neda Tavakoli, Providing Quality of Service Support in Object-Based File System Through Software-defined Storage. Abstract PPT

• 06/09, Ms. Priyanka Kumari, Limitations and Opportunities on Cloud Storage and Sever Management Interfaces. Abstract PPT

• 06/02, Mr. Wei Zhang, Geospatial Analytics on Social Network Data. Abstract PPT

• 05/09, Mr. ​Ali Nosrati, Continuous Delivery for Scientific Applications or Cloud-enabled Scientific Applications. Abstract PPT

• 05/04, Ms. Elham Hojati, Benchmarking Performance Isolation in Cloud Storage Systems. Abstract PPT

• 04/27, Mr. Xi Wang, Open High Performance Computing (Open HPC). Abstract PPT

• 04/20, Mr. Wei Xie, A Version Consistent Hashing Scheme for Better Manageability in Distributed Storage Systems. Abstract PPT

• 04/11, Ms. Neda Tavakoli, Software-Defined Storage Systems for High Performance Computing Platforms. Abstract PPT

• 04/04, Dr. Yong Chen, How to Write and Publish Research Papers in Premier Forums. Abstract PPT

• 03/30, Mr. Wei Zhang, An Online Graph Partitioner for Graph-Based Metadata Management System in High Performance Computing. Abstract PPT

• 03/23, Mr. Xi Wang, Concurrent Dynamic Memory Coalescing in GC64 (tentative). Abstract PPT

• 03/14, Mr. Qiang Gu, Hierarchical consistent hashing algorithm for Heterogeneous Object-based Storage. Abstract PPT

• 03/14, Ms. Prachita Gupta, TripleO - OpenStack on OpenStack. Abstract PPT

• 03/07, Mr. John Leidel, HMC-Sim 2.0: Adapting Hybrid Memory Cube Devices for Custom Memory Cube Operations. Abstract PPT

• 02/29, Ms. Elham Hojati, Benchmarking Fairness Property and performance Isolation in Cloud Storage Systems. Abstract PPT

• 02/22, Mr. Mahesh Gurram, Functionality Comparison of Cloud Standards in IaaS. Abstract Demo Video PPT

• 02/17, Mr. Wei Xie, The Decoupling of Data-Intensive Computation in HPC Applications. Abstract PPT

• 02/10, Dr. Jiang Zhou, Pattern-Directed Replication Scheme for Heterogeneous Object-based Storage. Abstract PPT

• 02/03, Dr. Dong Dai, Block2Vec: Towards a Deep Learning Strategy on Mining Block Correlations in Storage Systems. Abstract PPT

• 12/15, Mr. Ali Nosrati, SMART: A MapReduce-Like Framework for In-Situ Scientific Analytics. PPT

• 12/01, Mr. Wei Zhang, Data Partitioning on High-Performance Graph Computing System - Motivation, Exploration and Innovation. PPT

• 11/24, Ms. Prachita Gupta, Introduction to CloudLab and Cloud Standards. PPT

• 11/10, Ms. Nika Mansouri and Mr. Xi Wang, GC64 Dynamic Memory Request Coalescing Implementation and development. PPT

• 11/03, Mr. Wei Xie, IEEE BigData15 Conference Experiences. PPT

• 10/27, Ms. Elham Hojati, Performance Benchmarking and Performance Isolation in Cloud Environments. PPT

• 10/20, Ms. Neda Tavakoli, Software Defined Storage: Concept and Challenges. PPT

• 10/13, Mr. John Leidel, GC64 Dynamic Memory Coalescing. PPT

• 10/06, Mr. Misha Ahmadian, Computation Reduction through Data Re-use for Scientific Applications. PPT

• 09/29, Dr. Jiang Zhou, SUORA: A Scalable and Uniform Data Distribution Algorithm for Heterogeneous Storage Systems. PPT

• 09/24, Dr. Dong Dai, Richfs: A Graph-based Rich Metadata Extension for Parallel File Systems. PPT

• 09/15, Mr. Wei Xie, Two- Mode Data Distribution Scheme for Heterogeneous Storage in Data Centers. PPT

• 08/25, Dr. Jiang Zhou, MAMS: A Highly Reliable Policy for Metadata Service PPT

• 07/28, REU students talk
  • Mr. Kace Echo (Mark Reyes), Workload IO Tracing and Analysis In Sheepdog for Unistore
  • Mr. Nick Muirhead, Expanding POSIX for GraphMeta

• 07/14, Ms. Elham Hojati, Cloud Benchmarking, Tools, and Challenges PPT

• 06/30, Mr. Yin Lu, Data Deduplication with DEP Architecture PPT

• 06/16, Dr. Dong Dai, GraphMeta: Managing HPC Rich Metadata in Graphs PPT

• 06/09, Mr. Wei Xie, Performance Modeling and Analysis of Write Buffer Scheme for Flash-based Solid State Drives, PPT

• 05/12, Dr. Yong Chen, Data-driven Scientific Discovery: The Pathway to Supercomputing and Cloud Computing, PPT

• 05/05, No seminar due to NASA visit

• 04/27, No seminar due to travel

• 04/21, Dr. Jiang Zhou, Unistore: Analysis of Sheepdog and Design Thoughts, PPT

• 04/14, Mr. Akalanka Dissanayaka, Data Warehousing and Multidimensional Data Model, PPT

• 04/06, Mr. John Leidel, GC64 Architecture Spec: The first official RISC-V architectural extension, PPT

• 03/31, No seminar

• 03/24, Mr. Jialin Liu, Fast Data Analysis Framework for Scientific Big Data Applications, PDF

• 03/17, No seminar

• 03/10, Mr. Soheil Mazaheri, Cloud Benchmarking in Bare-metal, Virtualized, and Containerized Execution Environments PPT

• 03/03, Dr. Dong Dai, GraphTrek: Asynchronous Graph Traversal for Large-Scale Out-of-Core Property Graphs PPT

• 02/24, Mr. Wei Xie, CloudUnistore: a Unified Storage System for Cloud Computing PPT

• 02/18, Dr. Jiang Zhou, Research on Distributed File System Metadata Service for Mass Data Analysis PPT

• 02/10, Mr. Jialin Liu, In Memory Scientific Computing PDF

• 02/03, Mr. Yin Lu, Object Parallel I/O Concept and Design PPT

• 12/02, Mr. Jialin Liu, Cache Data vs Cache Result for Scientific Big Data Analysis PDF

• 11/25, Dr. Dong Dai, Large-Scale Two-Choice I/O Scheduler Simulation Using ROSS and CODES PDF

• 11/18, No seminar due to Supercomputing (SC'14) and DISCS-2014 workshop attendance

• 11/11, Mr. Akalanka Mailewa, Concept of data warehousing with models and operations Evaluating PPT

• 11/04, Mr. Misha Ahmadian, Evaluating MapReduce Platform for Scientific Computing PPT

• 10/28, No seminar due to the IEEE BigData'14 conference attendance

• 10/21, Mr. Soheil Mazaheri, An Overview of Linux Containers PPT

• 10/14, Mr. John Leidel, GC64: Infrastructure Update and Software Tool ChainPPT

• 10/07, No seminar due to the Cloud and Autonomic Computing Center Semi-annual IAB Meeting attendance

• 09/30, Dr. Yong Chen, Design and Development of a Data-Intensive Scalable Computing Instrument (DISCI) for Big Data Applications &Early Experiences in Developing Research and Grant ProposalsPPT

• 09/23, Mr. Wei Xie, Unified Multilevel Cache Management in SSD Storage SystemsPPT

• 09/16, Mr. Yin Lu, Outstanding Workload Transfer Scheme and Multi-Level Hashing Dedup for HPC Storage Systems PPT

• 09/09, Ms. Kalaranjani Vijayakumar, Zanshin-Content Intelligence/Recommendation Engine(POC) PPT

• 09/02, Mr. Jialin Liu, NVM based Transaction Messaging Storage System, Using Bookkeeper as a Case StudyPDF

• 08/20, Dr. Dong Dai, Preliminary Study of Graph-based Rich Metadata Management PPT

• 08/06, Mr. Misha Ahmadian, Introduction to Apache Spark and In-Memory Map Reduce PPT

• 07/23, Mr. Soheil Mazaheri, An Overview of Xeon Phi Coprocessor PPT

• 07/09, Mr. Wei Xie, Recent Research on Optimizing Filesystem, I/O Scheduler, and Cache Management for Improving the Performance and Lifetime of the SSDs PPT

• 07/02, Dr. Yong Chen, Random Thoughts on “Research” PPT

• 06/11, Mr. Yin Lu, HPC Storage, Runtime systems, and Programming Models - Latest Research Findings from IPDPS'14 PPT

• 05/14, Mr. Yin Lu, Coordinated I/O Process Management in Multicore Clusters PPT

• 05/07, Mr. Tristan Currens, Parallelization of NetCDF Operations to Improve Performance on Distributed Systems

• 05/07, Mr. Jayse Hulett, The Lessfs Filesystem and Data Deduplication PPT

• 05/07, Mr. Alex Sanjuan, Improving MPI-IO performance through transparent compression in blocks PDF

• 04/23, Mr. Jialin Liu, Providing Cloud in HPC for Elastic Big Data Analysis PPT

• 04/16, Mr. Chao Chen, Decoupling Paraview Framework for Data-Intensive Analysis PPT

• 04/09, Mr. Wei Xie, Exploiting SSD's Internal Parallelism for Hiding the Translation Overhead PPT

• 04/02, Mr. John Leidel, Memory Request Coalescing for Hybrid Memory Cube Devices PPT

• 03/19, Ms. Kalaranjani Vijayakumar, In-Memory Store and Implications to Data Analytics PPT

• 03/12, Mr. Soheil Mazaheri, An Overview of Hadoop & How to Benchmark Hadoop PPT

• 03/05, Mr. Saroj Kumar Behera, Proximity based dynamic hierarchical clustering of high dimensional data for efficient searching PPT

• 02/26, Mr. Yin Lu, On Data Movement at Extreme Scale PPT

• 02/19, Mr. Junjie Chen, Heterogeneous Management of SCMs and HDDs to Unified HEC Storage Systems PPT

• 02/12, Mr. Jialin Liu, Proactive Data Analytics and Recommendations for Reducing Time to DiscoveryPDF

• 02/05, Dr. Dong Dai, IO Scheduling for Performance Balancing in Parallel File System PPT

• 01/29, No seminar due to scheduled trip

• 01/22, Mr. Wei Xie, Adaptive Data Separation Method for Improving the Garbage Collection Efficiency of Solid State Drives PPT

• 01/15, Mr. Chao Chen, Burst Buffer and In-transit Analysis PPT

• 12/10, Dr. Jay Lofstead, Science Application Big Data Analytics and the Relations to Other Big Data Applications PDF

• 11/27, Mr. Chao Chen, SC'13 experience presentation PPT

• 11/27, Mr. Yin Lu, SC'13 experience presentation PPT

• 11/20, No seminar due to SC'13 attendance

• 11/13, Mr. Soheil Mazaheri, An Overview of Cloud Benchmarking PPT

• 11/06, Mr. Yin Lu, Design of a Scalable Network Performance Aware MPI I/O Strategy PPT

• 10/30, Mr. Navaneetha Krishnan Thiagarajan, Fast Retrieval with Bloom Filters in RCFile for MapReduce Data Analytic Framework PPT

• 10/23, Mr. Wei Xie, An Overview of Solid State Drive Internals and Related Research PPT

• 10/16, No seminar due to conflict with faculty meeting

• 10/09, No seminar due to BigData'13 attendance

• 10/02, Mr. Jialin Liu, Segmented Analysis for Reducing Data Movement PPT

• 09/25, No seminar due to Cluster'13 attendance

• 09/18, Mr. Jialin Liu, Model-driven Data Reorganization on Lustre for Improving Future Reads PPT

• 09/11, Mr. Yugendra R. Guvvala, Programming Models for Computers of Extreme Scale Parallelism PPT

• 09/04, Mr. Yin Lu, Characterizing the I/O Workloads inside MPI-I/O Layer PPT

• 08/28, Dr. Dong Dai, Trigger based Programming Model for Cloud Applications PPT

• 08/21, John Leidel, Programming Model Derived Massively Parallel CMT Architectures PPT

• 08/14, John Weaver, Darshan for petascale I/O characterization PPT

• 08/14, Yi Guo, PerfExpert and MACPO: Code Performance Diagnosis and Optimization from an I/O Perspective PPT

• 07/31, Greg Thorsness, Fusion Active Storage for Write-intensive Big Data Applications PPT

• 07/31, Mose Gumble, Multi-Order Data Deduplication with GPGPUs for Data-Intensive Computing PPT

• 07/24, Navaneeth, Facile Methods to Handle Data in Hadoop PPT

• 07/17, Yang, Signal Processing and Computing For Rescue - A New Ultra-Wideband Radar For Detecting Survivors in Disasters PPT

• 07/10, Jonathan, Hierarchical I/O Request Collection and Workload Distribution for Collective I/O PPT

• 06/26, Yugendra, Communication Delegation Model for Exascale machines PPT

• 06/19, Brad, Paper study: “Efficient and Scalable Retrieval Techniques for Global File Properties”PPT

* 05/08, Brad, Analysis of FastBit+FastQuery in regards to 4D data sets PPT

* 05/08, Shane, GPU-Equipped Inline Data Deduplication for Primary Storage Systems PPT

* 05/01, Jonathan, Hierarchical Collective I/O Communication Optimization PPT

* 04/24, Jialin, Hierarchical I/O Scheduling for Collective I/O PPT

* 04/17, Yuge, Communication Delegation Model for Exascale machines PPT

* 04/10, Junjie, WS-ROS: Maximizing Heterogeneity Exploitation through Working-Set based Reorganization Scheme in Hybrid HPC Systems PPT

* 04/03, Yin, Runtime Optimization of Communications for MPI IO in Extreme Scale PPT

* 03/27, Jialin, Co-analysis for Optimizing Data Movement PPT

* 03/20, Chao, Decoupled Execution Paradigm for Data-Intensive High-End Computing PPT

* 03/06, Shane, Multi-level Optimization of Matrix Multiplication for GPU-equipped Systems PPT

* 02/27, Junjie, HEUS: Heterogeneity Exploitation with Unified Storage in HPC Systems PPT

* 02/13, Yugendra, Architecture and Programming on Intel Phi (MIC) Processor PPT (References PDFPDFPDF)

* 02/13, Yin, Topology Aware Collective I/O Communication Optimization for Extreme Scale HPC Systems PPT

* 02/06, Jialin, Mining Scientific Dataset in Hadoop PDF

* 01/30, Yong, Lab operations PPT

* 01/30, Junjie, Paper Talk: HybridStore: A Cost-Efficient, High-Performance Storage System Combining SSDs and HDDs PPT

* 01/14, Junjie, Paper Talk: I-CASH: Intelligently Coupled Array of SSD and HDD PPT

* 01/07, Yugendra, Communication Delegation Model Overview PPT

* 12/18, Junjie Chen, Placement Strategy of SSD in HPC PPT

* 12/10, Jonathan Bastnagel, Reducing Collective I/O Communication, A Hierarchical Approach PPT

* 12/10, Shane Tarleton, Utilizing GPGPUs to Offload Scientific Computations in an Active Storage System PPT

* 12/10, Mitchell Powell, The Problems Found in Storage Virtualization PPT

* 12/03, Jialin, C-FASM: Collective Fast Data Analysis with Statistical Metadata in Big Data Management PPT

* 12/03 Yin, Preliminary Thoughts on Reducing Communication Cost for Collective I/O in Exascale HPC Systems PPT

* 11/26, Yin, SC 12 Experience PPT

* 11/19, Course presentation.

* 11/12, No meeting due to SC'12.

* 11/05, Junjie, Original thinkings in Unified Storage System for HPC PPT

* 10/29, Shane, An Interesting Approach to Analyzing Scientific Simulation Data using GPGPUs PPT

* 10/22, Heng, CUDA Programming and Optimization PPT

* 10/15, Jialin, Hierarchical I/O Scheduling for Collective I/O in Data-intensive Applications PPT

* 10/08, Junjie, SSDs in HPC - Today and Future PPT

* 10/01, Yugendra, Adopting Smart Grids for power hungry Cloud computers PPT

* 09/24, Chao, The 41st ICPP experience PPT

* 09/17, Yin, I/O overlap awareness through hybrid storage systems for data intensive computing PPT

* 09/03, Chao, Streaming Deduplication: Using Data Deduplication to improve Writing Performance PPT

* 08/26, Junjie, Micro-Architecture Analysis on Gem5 and of CloudSuite PPT

* 08/21, Jialin, Paper Talk: Data Organization in Scientific Applications PPT

* 08/14, Chao, Paper Talk: Preparatory Scientific Data for Analysis PPT

* 08/07, Yin, Paper Talk: Design and Implementation of Broadcast Algorithms for Extreme Scale Systems

* 07/31, Shane, Paper Talk: SnuCL: an OpenCL framework for heterogeneous CPU/GPU clusters

* 07/17, Shane, OpenCL and the Future of Heterogeneous Computing SystemsPPT

* 07/03, Yin, Future Tech'12 Conference Experience

* 06/12, Nayeem, Introducing Map-Reduce to High End ComputingPPT

* 06/05, Yin, Memory Driven Aggregator SelectionPPT

* 05/29, Jialin, Improve Data Retrieval of Large Scientific Data Sets: Two Case Studies PPT

* 05/22, Chao, Challenges and Opportunities from Climate Science Data PPT

* 05/15, Nayeem, M3W model for improving Fault tolerance in Map Reduce systems PPT

* 05/01, Heng, The Hessian-based Seventh Order Predictor Method

* 04/24, Yugendra, Optimizing Accelerator Programming PPT

* 04/17, Cong, MPI+OpenMP Hybrid Programming ModelPPT

* 04/10, Quan, Efficient MapReduce Using MPI PPT

* 04/03, Dr. Alan Sill, Distributed Computing, Grid Computing and the Origin of Cloud Standards

* 03/27, Prathamesh, Proposal Rehearsal: Hybrid Storage Architecture and Optimizations for High End ComputingPDF

* 03/20, Rashed, MARIANE: MApReduce Implementation for HPC Environments PPT

* 03/13, Yugendra, Paper Talking: A Data Locality Optimizing Algorithm PPT

* 03/06, Yin, Memory Driven Aggregator Selection and Assignment for Collective IOPPT

* 02/28, Jialin, FSD: Fast Query with Integrated Statistical Information  in Scientific Datasets PPT

* 02/21, Yugendra, Multi Dimensional Hybrid RAID, Communication Delegation Model,and Memory realignment & Program reorganization GPU Programming model PPT

* 02/14, Chao, A Dynamic Prototype for Contention problems of Active Storage PPT

* 02/07, Anupam, Comprehensive Benchmarking Suite for Ssds PPT

* 01/30, Dr. Chen, Data-Intensive Scalable Computing Laboratory (DISCL)PPT

• 12/03, Yin, Memory-Driven Aggregator Selection For Collective IO on Petascale Machines PPT

• 11/26, Anupam & Yugendra, SC11 experience

• 11/12, Chao, Operation Schedule Determination for Active Storage PPT

• 10/30, Yugendra, Rethinking RAID for Exascale Computing SystemsPPT

• 10/22, Abhijit,Mapreduce Based Systems Rcfile and Ysmart PPT

• 10/16, Jialin, Performance Modeling and Evaluation of a Hierarchical I/O Aggregation Architecture for Extreme-scale SystemsPPT

• 10/09, Yugendra, Cluster'11 ExperiencePPT

• 10/01, Rashed, Data Deduplication in High End Computing and Cloud Computing PPT

• 09/24, Yin, Optimizing Data Sieving for High End ComputingPPT

• 09/17, Chao, Road Detection Algorithm For Vision-based NavigationPPT

• 09/03, Prathamesh, SSHDD: A hybird storage architecture of SSD and HDDPPT

• 08/25, Dr. Chen, Data-Intensive Scalable Computing Laboratory (DISCL) PPT

• 08/18, Jialin, Using Shapecontext in Distorted Character Recognition PPT

• 08/09, Yin, DISCFarm: Building our own Beowulf cluster PPT

• 08/05, Anupam, Comprehensive Benchmarking Suite for SSD PDF

• 08/05, Anupam,CATCH: A Cloud-based adaptive data transfer service for Hpc PPT

• 07/28, Yugendra,Rethinking RAID for SSD based HPC PPT, Referred Papers 1,2, 3

• 07/14, Prathamesh, Hystor: Making the best use of solid state drives in high performance storage systemsPDF, Referred paper PDF

• 06/16, Yin, HPDC'11 and FCRC'11 experience PPT

• 06/09, Yugendra, Enabling Legacy Applications on Heterogeneous PlatformsPPT,Referred Paper 1

• 06/02, Yin, Accelerating I/O Forwarding in IBM Blue Gene/P Systems PPT

• 05/03, Prathamesh, Final term presentationPDF

• 04/05, Prathamesh, A Performance Evaluation of Scientific I/O Workloads On Flash –Based SSDsPDF, Referred paper PDF

• 02/04, Prathamesh, Design Tradeoffs for SSD PerformancePDF, Referred paper PDF